. Animal locomotion or walking, swimming, and flying : with a dissertation on aëronautics. rds in theSerpentine in seven minutes fifty seconds. Among non-professional swimmers the performance of Mr. J. B. Boothis very creditable. This gentleman, in June 1871, swam440 yards in seven minutes fourteen seconds in the fresh-water lake at Hendon, already referred to. I am indebtedfor the details regarding time to Mr. J. A. Cowan ofEdinburgh, himself acknowledged to be one of the fastestswimmers in Scotland. The speed attained by man in thewater is not great when his size and power are taken intoacco
. Animal locomotion or walking, swimming, and flying : with a dissertation on aëronautics. rds in theSerpentine in seven minutes fifty seconds. Among non-professional swimmers the performance of Mr. J. B. Boothis very creditable. This gentleman, in June 1871, swam440 yards in seven minutes fourteen seconds in the fresh-water lake at Hendon, already referred to. I am indebtedfor the details regarding time to Mr. J. A. Cowan ofEdinburgh, himself acknowledged to be one of the fastestswimmers in Scotland. The speed attained by man in thewater is not great when his size and power are taken intoaccount. It certainly contrasts very unfavourably with thatof seals, and still more unfavourably with that of is due to his small hands and feet, the slow movements PBOGRESSION ON AND IX THE WATER. 89 of his arms and legs, and the awkward manner in which they are applied to and withdrawn from the water. Sinmmlng of the Turtle, Tritm, Crocodile, etc.—The swim-ming of the turtle differs in some respects from all the otherforms of swimming. While the anterior extremities of this. ?h^tT . ^ Lh]°:li imfiricata . adapted for swimming and divine the extremities being relatively larger than in the seal, sea-beaianHSrus The anterior extremities have a thick anterior margin and at/, S?S^^ajt5Wff*resemble ^ Com^ Sd4S quaint animal move alternately, and tilt or partially rotateduring their action, as in the sea-bear and walrus, the posterior
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